00001 /* -*- c++ -*- (for Emacs) 00002 * 00003 * abstractview.h 00004 * Digest 00005 * 00006 * Created by Aidan Lane on Thu Jun 9 2005. 00007 * Copyright (c) 2005 Optimisation and Constraint Solving Group, 00008 * Monash University. All rights reserved. 00009 * 00010 * This program is free software; you can redistribute it and/or modify 00011 * it under the terms of the GNU General Public License as published by 00012 * the Free Software Foundation; either version 2 of the License, or 00013 * (at your option) any later version. 00014 * 00015 * This program is distributed in the hope that it will be useful, 00016 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 * GNU General Public License for more details. 00019 * 00020 * You should have received a copy of the GNU General Public License 00021 * along with this program; if not, write to the Free Software 00022 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00023 */ 00024 00025 #ifndef ABSTRACTVIEW_H 00026 #define ABSTRACTVIEW_H 00027 00028 00029 #include "mvcbase.h" 00030 00031 #include <QPointer> 00032 00033 #include "viewevents.h" 00034 00035 class AbstractModel; 00036 class AbstractController; 00037 class CEvent; 00038 00039 00040 #define DEFINE_CUSTOM_VIEWEVENT_HANDLER \ 00041 inline virtual void customEvent( QEvent* e ) { \ 00042 VEvent* ve = dynamic_cast<VEvent*>(e); /* slow :-( */ \ 00043 if ( ve != 0 ) dispatchEvent(ve); \ 00044 } 00045 00046 00051 class AbstractView : public MvcBase { 00052 00053 public: 00054 AbstractView( QObject* objectPtr ); 00055 virtual ~AbstractView(); 00056 00057 AbstractController* controller() const; 00058 AbstractModel* model() const; 00059 00060 00061 protected: 00062 virtual void dispatchEvent( VEvent* ); 00063 00064 virtual void changeControllerEvent( VChangeControllerEvent* ); 00065 virtual void modelChangedEvent( VModelChangedEvent* ); 00066 virtual void resetEvent( VEvent* ); 00067 00068 void postControllerEvent( CEvent* event ); 00069 00070 const QSet<AbstractView*> childViews(); 00071 void addChildView( AbstractView* view ); 00072 void removeChildView( AbstractView* view ); 00073 void removeAllChildViews(); 00074 00075 00076 private: 00077 AbstractController* m_controller; // note: can't use QPointer 00078 QPointer<QObject> m_controllerObject; 00079 AbstractModel* m_model; // note: can't use QPointer 00080 QPointer<QObject> m_modelObject; 00081 QSet<AbstractView*> m_childViews; 00082 }; 00083 00084 00085 #endif // ! ABSTRACTVIEW_H
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